Bible Verses About Widow: Marriage of, authorized

So then if, while the husband liveth, she be joined to another man, she shall be called an adulteress: but if the husband die, she is free from the law, so that she is no adulteress, though she be joined to another man.

A wife is bound for so long time as her husband liveth; but if the husband be dead, she is free to be married to whom she will; only in the Lord.